Internal Structure
Page Classification
Arduino
| Page | Summary |
|---|---|
| __LPM_enhanced__() | assembler code that reads a byte of data stored in a specified address(PROGMEM area). |
| __LPM_word_enhanced__() | macro that reads a byte of data stored in a specified address(PROGMEM area). |
| __LPM_word() | macro that reads a word of data stored in a specified address(PROGMEM area). |
| __LPM() | macro that reads a byte of data stored in a specified address(PROGMEM area). |
| _BV() | macro that checks if the second argumen-th bit of the first argument is 1. |
| _MMIO_BYTE() | macro that dereferences a byte of data at the specified address. |
| _MMIO_WORD() | macro that dereferences two bytes of data at the specified address. |
| _SFR_ADDR() | macro that returns the address of the argument. |
| _SFR_BYTE() | macro that returns a byte of data of the specified address. |
| _SFR_IO8() | converts the I/O address to the memory address. |
| _SFR_MEM_ADDR() | macro that returns the address of the argument. |
| _SFR_MEM16() | macro to return two bytes of data of the specified address. |
| _SFR_MEM8() | macro to return a byte of data of the specified address. |
| _SFR_WORD() | macro that returns two bytes of data of the specified address. |
| _VECTOR() | macro to convert an interrupt vector number to a real address. |
| ADC | macro to read ADCL/ADCH registers. |
| ADCL/ADCH | registers which store the result of AD conversion. |
| ADCSRA | register to control AD conversion. |
| ADMUX | register that controls the reference voltage, the presentation of the ADC conversion and analog channel selection. |
| analogRead() | reads the value from analog pin using analog-digital(AD) converter. |
| analogReference() | sets the reference voltage for analog input. |
| analogWrite() | outputs PWM(Pulse Width Modulation) wave. |
| Arduino.h | Analysis result of the implementation and internal structure of Arduino.h. |
| attachInterrupt() | function to sets a function to be called when an external interrupt occurs. |
| bit_is_clear() | macro that checks if the second argument-th bit of the first argument is 0. |
| bit_is_set() | macro that checks if the second argumen-th bit of the first argument is 1. |
| bitRead()/bitSet()/bitClear()/bitWrite() | read and write a bit from/to in the variable. |
| cbi() | macro to set the bit(the second argument) of the address(the first argument) to 0. |
| cli() | macro that executes an assembler instruction to disable interrupts. |
| clockCyclesPerMicrosecond()/ clockCyclesToMicroseconds()/ microsecondsToClockCycles() | convert the number of clocks and time(in microsecond). |
| common.h | Analysis result of the implementation and internal structure of common.h. |
| countPulseASM() | assembler code to count the pulse length. |
| DDR | registers which determine if the digital pin is output mode or input mode. |
| detachInterrupt() | function to resets a function to be called when an external interrupt occurs. |
| digitalPinToBitMask() | macro that returns the bitmask of a specified pin. |
| digitalPinToPort() | macro that returns the port of a specified pin. |
| digitalPinToTimer() | macro that returns the timer of a specified pin. |
| digitalRead() | returns if the specified pin is HIGH or LOW. |
| digitalWrite() | sets the specified digital pin to HIHG or LOW. |
| disableTimer() | initializes the timer/counter set by tone(). |
| EICRA/EIMSK | registers to control external interrupts. |
| HardwareSerial | definition of HardwareSerial. |
| HardwareSerial_private.h | Analysis result of the implementation and internal structure of HardwareSerial_private.h. |
| HardwareSerial::_rx_complete_irq() | copies data from the receive buffer of ATmega328P to the receive buffer of Arduino. |
| HardwareSerial::_tx_udr_empty_irq() | copies data from Arduino serial communication transmit buffer to ATmega328P data transmit register. |
| HardwareSerial::available() | returns how many bytes can be written to receive buffer of serial communication. |
| HardwareSerial::availableForWrite() | returns how many bytes can be written to transmit buffer of serial communication. |
| HardwareSerial::begin() | sets theg communication speed and other settings. |
| HardwareSerial::end() | ends the serial communication and sets RX and TX pins to normal input/output mode. |
| HardwareSerial::flush() | sends all data in the serial transmit buffer. |
| HardwareSerial::HardwareSerial() | constractor of HardwareSerial. |
| HardwareSerial::operator bool() | checks if the serial port is available or not. |
| HardwareSerial::peek() | reads data from receive buffer without modifying the buffer. |
| HardwareSerial::read() | reads data from receive buffer. |
| HardwareSerial::write() | wites binary data to serial port. |
| HardwareSerial.cpp | Analysis result of the implementation and internal structure of HardwareSerial.cpp. |
| HardwareSerial.h | Analysis result of the implementation and internal structure of HardwareSerial.h. |
| HardwareSerial0.cpp | Analysis result of the implementation and internal structure of HardwareSerial0.cpp. |
| hooks.c | Analysis result of the implementation and internal structure of hooks.c. |
| init() | initializes the timer counter, AD converter and serial communication of ATmega328P. |
| Internal Structure of Arduino Software | Analyzing the implementation and internal structure of the Arduino Software. |
| Internal Structure of Arduino Software | Analyzing the implementation and internal structure of the Arduino Software. |
| Internal Structure of Arduino Software(AVR-GCC) | Analyzing the implementation and internal structure of the Arduino Software. |
| Interrupt Vectors | Definitions of the interrupt vectors. |
| interrupt.h | Analysis result of the implementation and internal structure of interrupt.h. |
| interrupts()/noInterrupts() | enables or disables the interrupts. |
| iom328p.h | Analysis result of the implementation and internal structure of iom328p.h. |
| ISR() | macro that executes an assembler instruction to disable interrupts. |
| micros() | returns the number of microseconds since the board has booted. |
| millis() | returns the number of milliseconds since the board has booted. |
| noTone() | stops the output of square wave. |
| Output Compare Register | registers to set the duty ratio for PWM output. |
| pgm_read_byte_near() | macro that reads a byte of data stored in a specified address(PROGMEM area). |
| pgm_read_byte() | macro that read a word of data stored in a specified address(PROGMEM area). |
| pgm_read_word_near() | macro that reads a word of data stored in a specified address(PROGMEM area). |
| pgm_read_word() | macro that read a word of data stored in a specified address(PROGMEM area). |
| pgmspace.h | Analysis result of the implementation and internal structure of pgmspace.h. |
| PIN | registers to control digital I/O. |
| pinMode() | function to configure the port as an input or an output. |
| PORT | registers for bi-directional I/O. |
| portInputRegister() | macro that returns an input port register of the specified port. |
| portModeRegister() | macro that returns a mode register that controlls the mode of the specified port. |
| portOutputRegister() | macro that returns an output port register of the specified port. |
| pulseIn() | measures the time of input pulse. |
| Registers for serial communication | Registers for serial communication. |
| sbi() | macro to set the bit(the second argument) of the address(the first argument) to 1. |
| sei() | macro that executes an assembler instruction to enable interrupts. |
| Serial | definition of Serial object. |
| sfr_defs.h | Analysis result of the implementation and internal structure of sfr_defs.h. |
| shiftIn() | gets 8 bit of data and assembles them into 1 byte of data. |
| shiftOut() | sends a byte of data bit by bit. |
| SIGNAL() | macro to define a function to register to interrupt vectors. |
| SREG | Status register of ATmega328P. |
| Timer/Counter Control Register | registers to control timers and counters. |
| Timer/Counter Interrupt Flag Register | registers to control timer interruption. |
| Timer/Counter Interrupt Mask Register | registers related to timer interruption. |
| Timer/Counter Register | registers incremented by each timer clock. |
| TIMER0_OVF_vect | interrupt handler that is executed when the Timer/Counter0(TCNT0) overflows. |
| TIMER2_COMPA_vect | interrupt handler which is called when the timer/counter2(TCNT2) becomes the same value of compare register(OCR2A). |
| Tone.cpp | Analysis result of the implementation and internal structure of Tone.cpp. |
| tone() | generates square wave with specified frequency. |
| toneBegin() | manages the relation of pin and timer. |
| turnOffPWM() | stops PWM output of a specified timer. |
| USART_RX_vect | an interrupt handler that is called when a data is received using serial communication. |
| USART_UDRE_vect | an interrupt handler that is called when a data can be transmitted using serial communication. |
| USART0 | registers related to Universal Synchronous and Asynchronous serial Receiver and Transmitter. |
| WInterrupts.c | Analysis result of the implementation and internal structure of WInterrupts.c. |
| wiring_analog.c | Analysis result of the implementation and internal structure of wiring_analog.c. |
| wiring_digital.c | Analysis result of the implementation and internal structure of wiring_digital.c. |
| wiring_private.h | Analysis result of the implementation and internal structure of wiring_private.h. |
| wiring_pulse.c | Analysis result of the implementation and internal structure of wiring_pulse.c. |
| wiring_pulse.S | Analysis result of the implementation and internal structure of wiring_pulse.S. |
| wiring_shift.c | Analysis result of the implementation and internal structure of wiring_shift.c. |
| wiring.c | Analysis result of the implementation and internal structure of wiring.c. |
| yield() | function to relinquish the CPU. |